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Finding the Fourth Proportional to 167,611.54, 251,575.31 and 61,098.45

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Solution

The fourth proportional to 167,611.54, 251,575.31 and 61,098.45 is: 91,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,611.54 : 251,575.31 = 61,098.45 : x
  2. Step 2: Convert to fraction form
    167,611.54/251,575.31 = 61,098.45/x
  3. Step 3: Cross multiply
    167,611.54x = 251,575.31 × 61,098.45
  4. Step 4: Simplify right side
    167,611.54x = 15,370,860,241.39
  5. Step 5: Solve for x
    x = 15,370,860,241.39/167,611.54
  6. Step 6: Final answer
    x = 91,705.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.